/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"
#include <vcl/fixed.hxx>
#include <vcl/tabctrl.hxx>
#include <vcl/tabdlg.hxx>
#ifndef _SV_RC_H
#include <tools/rc.h>
#endif



// =======================================================================

void TabDialog::ImplInitTabDialogData()
{
	mpFixedLine 	= NULL;
	mpViewWindow	= NULL;
	meViewAlign 	= WINDOWALIGN_LEFT;
	mbPosControls	= sal_True;
}

// -----------------------------------------------------------------------

void TabDialog::ImplPosControls()
{
	Size		aCtrlSize( IMPL_MINSIZE_BUTTON_WIDTH, IMPL_MINSIZE_BUTTON_HEIGHT );
	long		nDownCtrl = 0;
	long		nOffY = 0;
	TabControl* pTabControl = NULL;

	Window* pChild = GetWindow( WINDOW_FIRSTCHILD );
	while ( pChild )
	{
		if ( pChild->IsVisible() && (pChild != mpViewWindow) )
		{
			if ( pChild->GetType() == WINDOW_TABCONTROL )
				pTabControl = (TabControl*)pChild;
			else if ( pTabControl )
			{
				long nTxtWidth = pChild->GetCtrlTextWidth( pChild->GetText() );
				nTxtWidth += IMPL_EXTRA_BUTTON_WIDTH;
				if ( nTxtWidth > aCtrlSize.Width() )
					aCtrlSize.Width() = nTxtWidth;
				long nTxtHeight = pChild->GetTextHeight();
				nTxtHeight += IMPL_EXTRA_BUTTON_HEIGHT;
				if ( nTxtHeight > aCtrlSize.Height() )
					aCtrlSize.Height() = nTxtHeight;
				nDownCtrl++;
			}
			else
			{
				long nHeight = pChild->GetSizePixel().Height();
				if ( nHeight > nOffY )
					nOffY = nHeight;
			}
		}

		pChild = pChild->GetWindow( WINDOW_NEXT );
	}

	// Haben wir ueberhaupt ein TabControl
	if ( pTabControl )
	{
		// Offset bei weiteren Controls um einen weiteren Abstand anpassen
		if ( nOffY )
			nOffY += IMPL_DIALOG_BAR_OFFSET*2 + 2;

		Point	aTabOffset( IMPL_DIALOG_OFFSET, IMPL_DIALOG_OFFSET+nOffY );
		Size	aTabSize = pTabControl->GetSizePixel();
		Size	aDlgSize( aTabSize.Width() + IMPL_DIALOG_OFFSET*2,
						  aTabSize.Height() + IMPL_DIALOG_OFFSET*2 + nOffY );
		long	nBtnEx = 0;

		// Preview-Fenster beruecksichtigen und die Groessen/Offsets anpassen
		if ( mpViewWindow && mpViewWindow->IsVisible() )
		{
			long	nViewOffX = 0;
			long	nViewOffY = 0;
			long	nViewWidth = 0;
			long	nViewHeight = 0;
			sal_uInt16	nViewPosFlags = WINDOW_POSSIZE_POS;
			Size	aViewSize = mpViewWindow->GetSizePixel();
			if (  meViewAlign == WINDOWALIGN_TOP )
			{
				nViewOffX		= aTabOffset.X();
				nViewOffY		= nOffY+IMPL_DIALOG_OFFSET;
				nViewWidth		= aTabSize.Width();
				nViewPosFlags  |= WINDOW_POSSIZE_WIDTH;
				aTabOffset.Y() += aViewSize.Height()+IMPL_DIALOG_OFFSET;
				aDlgSize.Height() += aViewSize.Height()+IMPL_DIALOG_OFFSET;
			}
			else if (  meViewAlign == WINDOWALIGN_BOTTOM )
			{
				nViewOffX		= aTabOffset.X();
				nViewOffY		= aTabOffset.Y()+aTabSize.Height()+IMPL_DIALOG_OFFSET;
				nViewWidth		= aTabSize.Width();
				nViewPosFlags  |= WINDOW_POSSIZE_WIDTH;
				aDlgSize.Height() += aViewSize.Height()+IMPL_DIALOG_OFFSET;
			}
			else if (  meViewAlign == WINDOWALIGN_RIGHT )
			{
				nViewOffX		= aTabOffset.X()+aTabSize.Width()+IMPL_DIALOG_OFFSET;
				nViewOffY		= aTabOffset.Y();
				nViewHeight 	= aTabSize.Height();
				nViewPosFlags  |= WINDOW_POSSIZE_HEIGHT;
				aDlgSize.Width() += aViewSize.Width()+IMPL_DIALOG_OFFSET;
				nBtnEx			= aViewSize.Width()+IMPL_DIALOG_OFFSET;
			}
			else // meViewAlign == WINDOWALIGN_LEFT
			{
				nViewOffX		= IMPL_DIALOG_OFFSET;
				nViewOffY		= aTabOffset.Y();
				nViewHeight 	= aTabSize.Height();
				nViewPosFlags  |= WINDOW_POSSIZE_HEIGHT;
				aTabOffset.X() += aViewSize.Width()+IMPL_DIALOG_OFFSET;
				aDlgSize.Width() += aViewSize.Width()+IMPL_DIALOG_OFFSET;
				nBtnEx			= aViewSize.Width()+IMPL_DIALOG_OFFSET;
			}

			mpViewWindow->SetPosSizePixel( nViewOffX, nViewOffY,
										   nViewWidth, nViewHeight,
										   nViewPosFlags );
		}

		// Positionierung vornehmen
		pTabControl->SetPosPixel( aTabOffset );

		// Alle anderen Childs positionieren
		sal_Bool bTabCtrl	= sal_False;
		int  nLines 	= 0;
		long nX;
		long nY 		= aDlgSize.Height();
		long nTopX		= IMPL_DIALOG_OFFSET;

		// Unter Windows 95 werden die Buttons rechtsbuendig angeordnet
		nX = IMPL_DIALOG_OFFSET;
		long nCtrlBarWidth = ((aCtrlSize.Width()+IMPL_DIALOG_OFFSET)*nDownCtrl)-IMPL_DIALOG_OFFSET;
		if ( nCtrlBarWidth <= (aTabSize.Width()+nBtnEx) )
			nX = (aTabSize.Width()+nBtnEx) - nCtrlBarWidth + IMPL_DIALOG_OFFSET;

		Window* pChild2 = GetWindow( WINDOW_FIRSTCHILD );
		while ( pChild2 )
		{
			if ( pChild2->IsVisible() && (pChild2 != mpViewWindow) )
			{
				if ( pChild2 == pTabControl )
					bTabCtrl = sal_True;
				else if ( bTabCtrl )
				{
					if ( !nLines )
						nLines = 1;

					if ( nX+aCtrlSize.Width()-IMPL_DIALOG_OFFSET > (aTabSize.Width()+nBtnEx) )
					{
						nY += aCtrlSize.Height()+IMPL_DIALOG_OFFSET;
						nX	= IMPL_DIALOG_OFFSET;
						nLines++;
					}

					pChild2->SetPosSizePixel( Point( nX, nY ), aCtrlSize );
					nX += aCtrlSize.Width()+IMPL_DIALOG_OFFSET;
				}
				else
				{
					Size aChildSize = pChild2->GetSizePixel();
					pChild2->SetPosPixel( Point( nTopX, (nOffY-aChildSize.Height())/2 ) );
					nTopX += aChildSize.Width()+2;
				}
			}

			pChild2 = pChild2->GetWindow( WINDOW_NEXT );
		}

		aDlgSize.Height() += nLines * (aCtrlSize.Height()+IMPL_DIALOG_OFFSET);
		SetOutputSizePixel( aDlgSize );
	}

	// Offset merken
	if ( nOffY )
	{
		Size aDlgSize = GetOutputSizePixel();
		if ( !mpFixedLine )
			mpFixedLine = new FixedLine( this );
		mpFixedLine->SetPosSizePixel( Point( 0, nOffY ),
									  Size( aDlgSize.Width(), 2 ) );
		mpFixedLine->Show();
	}

	mbPosControls = sal_False;
}

// -----------------------------------------------------------------------

TabDialog::TabDialog( Window* pParent, WinBits nStyle ) :
	Dialog( WINDOW_TABDIALOG )
{
	ImplInitTabDialogData();
	ImplInit( pParent, nStyle );
}

// -----------------------------------------------------------------------

TabDialog::TabDialog( Window* pParent, const ResId& rResId ) :
	Dialog( WINDOW_TABDIALOG )
{
	ImplInitTabDialogData();
	rResId.SetRT( RSC_TABDIALOG );
	ImplInit( pParent, ImplInitRes( rResId ) );
	ImplLoadRes( rResId );
}

// -----------------------------------------------------------------------

TabDialog::~TabDialog()
{
	if ( mpFixedLine )
		delete mpFixedLine;
}

// -----------------------------------------------------------------------

void TabDialog::Resize()
{
// !!! In the future the controls should be automatically rearrange
// !!! if the window is resized
// !!! if ( !IsRollUp() )
// !!!		ImplPosControls();
}

// -----------------------------------------------------------------------

void TabDialog::StateChanged( StateChangedType nType )
{
	if ( nType == STATE_CHANGE_INITSHOW )
	{
		// Calculate the Layout only for the initialized state
		if ( mbPosControls )
			ImplPosControls();
	}
	Dialog::StateChanged( nType );
}

// -----------------------------------------------------------------------

void TabDialog::AdjustLayout()
{
	ImplPosControls();
}